Which of the following goals is stated in a way that is the most useful for developing a wealth management plan ? a. Prepare a down payment of $3,000,000 to buy an apartment in 4 years. b. Join a golf club for keeping business relationship with clients. C. Retire in a comfortable style for 30 years. d. Buy a $800,000 car for family use. e. Commit to save 15% of the monthly income